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All results from a given calculation for CHCl2 (dichloromethyl radical)

using model chemistry: CCSD/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 no C2V 2B1
1 2 yes CS 2A'

Conformer 1 (C2V)

Jump to S1C2
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-957.760033
Energy at 298.15K 
HF Energy-957.356420
Nuclear repulsion energy125.439328
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3311 3127 0.00      
2 A1 776 733 10.21      
3 A1 320 302 0.59      
4 B1 391i 369i 54.23      
5 B2 1303 1230 59.17      
6 B2 967 913 122.25      

Unscaled Zero Point Vibrational Energy (zpe) 3142.9 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 2967.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31G*
ABC
1.60891 0.11007 0.10302

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.672
H2 0.000 0.000 1.752
Cl3 0.000 1.480 -0.170
Cl4 0.000 -1.480 -0.170

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08031.70241.7024
H21.08032.42572.4257
Cl31.70242.42572.9596
Cl41.70242.42572.9596

picture of dichloromethyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 119.631 Cl3 C1 Cl4 120.738
Cl4 C1 H2 119.631
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability

Conformer 2 (CS)

Jump to S1C1
Energy calculated at CCSD/6-31G*
 hartrees
Energy at 0K-957.760881
Energy at 298.15K-957.761719
HF Energy-957.357869
Nuclear repulsion energy125.343558
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CCSD/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3276 3094 2.10      
2 A' 783 739 15.44      
3 A' 513 484 26.10      
4 A' 314 296 0.77      
5 A" 1308 1236 50.26      
6 A" 940 888 144.50      

Unscaled Zero Point Vibrational Energy (zpe) 3567.1 cm-1
Scaled (by 0.9443) Zero Point Vibrational Energy (zpe) 3368.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CCSD/6-31G*
ABC
1.55811 0.11060 0.10349

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.012 0.694 0.000
H2 -0.471 1.664 0.000
Cl3 0.012 -0.171 1.475
Cl4 0.012 -0.171 -1.475

Atom - Atom Distances (Å)
  C1 H2 Cl3 Cl4
C11.08321.71081.7108
H21.08322.40402.4040
Cl31.71082.40402.9508
Cl41.71082.40402.9508

picture of dichloromethyl radical state 1 conformation 2
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Cl3 C1 H2 116.941 Cl3 C1 Cl4 119.182
Cl4 C1 H2 116.941
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability